Pith Number

pith:KZ4FYYXR

pith:2011:KZ4FYYXRFORB47KWLGAAF2JXVW

not attested not anchored not stored refs pending

Central Powering of the Largest Lyman-alpha Nebula is Revealed by Polarized Radiation

2, (2) CNRS, 3), (3) Geneva Observatory, (4) University of Minnesota, 5), (5) Spitzer, (6) Caltech), Brian Siana (6) ((1) University of Toulouse, Claudia Scarlata (4, IRAP, Matthew Hayes (1

arxiv:1108.3332 v1 · 2011-08-16 · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KZ4FYYXRFORB47KWLGAAF2JXVW}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T04:15:18.283558Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

56785c62f12ba21e7d56598002e937ada819509b6f2c877ceb40147d7214bbcb

Aliases

arxiv: 1108.3332 · arxiv_version: 1108.3332v1 · doi: 10.48550/arxiv.1108.3332 · pith_short_12: KZ4FYYXRFORB · pith_short_16: KZ4FYYXRFORB47KW · pith_short_8: KZ4FYYXR

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/KZ4FYYXRFORB47KWLGAAF2JXVW \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 56785c62f12ba21e7d56598002e937ada819509b6f2c877ceb40147d7214bbcb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7576179dca72185b60127e6e754e4188f6d18649d70fcbcc0176b9f8e73b599b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-08-16T20:00:02Z",
    "title_canon_sha256": "cf9e814d616f807a93b2afae63ecac398440bdf07daa6475a18552c1992a7ae6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.3332",
    "kind": "arxiv",
    "version": 1
  }
}